Contains the following types of materials: correspondence, personnel documents, organizational documents. Contains information pertaining to the following war: Civil War. Contains information pertaining to the following military unit: 102nd Illinois Infantry Regiment. General description of the collection: Francis H. Ruger papers include officer's papers: original documents retained by Lieutenant/Captain Francis H. Ruger, assistant quartermaster, United States (U.S.) Volunteers. Numerous items relate to the 102nd Illinois Infantry Regiment. Items in the collection include issue and turn-in documents, correspondence, account books and a letter book of Ruger's which dates from 1856 and includes military correspondence to 1865.